2 Chapter 1• DVMT 5.0 technology support.• Enhanced 3D and Clear Video technology support.• Need to measure VGA follow Acer VGA SOP.• PCEx16 socket must with latch and afford the weight of any VGA card.• Monitor compatible is requested to the monitor AVL and DQM recommended list.Hard disk drive• Support up to four SATA ports.• 3.5",25.4mm.• Capacity and models are listed on AVLC.Optical disk drive• Support up to two SATA 5.25” standard ODD.• Support DVD-ROM, DVD-SuperMulti, BD-combo, BD-rewrite.• Maximum ODD depth to 185mm with bezel.• Models are listed on AVLC.Graphics card• One PCI-E x 16 graphics card.• No mechanical retriction to support for double slot, full length graphics cards in the single PCIe X16 slot.Audio• ALC662• Rear IO: 3 jack• Front IO: 1*Microphone-in, 1*head phone jackSerial ATA controller• Slot Type: SATA connector.• SATA ports quantity: 6(2* SATA 6Gb/s, 4* SATA3Gb/s. different color to identify SATA 6Gb/s and SATA3Gb/s).• Design requiremnt:• Blue Ray ODD.• AHCI/RAID mode supported for internal SATA port.LAN• Controller: Realtek RTL8111E.Extension slot• 1 * PCIE x16 (PCIE V2.0)• 3 * PCIE x1 (PCIE V2.0)USB ports• Supports at least 12 USB ports on both front and rear side.• H67 at least 6 ports located on rear panel and others located on front bezel and top bezel.• All USB ports must be boot-capable includes USB-ODD, USB-HDD, USB-FDD, and etc…• All USB ports must be 2.0 certified.